Sandridge Energy, Inc. SEC filings SD
Sandridge Energy, Inc. has 1,003 filings in SEC EDGAR's recent list, going back to Feb 8, 2013. Its latest annual report, Form ARS, was filed on Apr 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 144 | Notice of proposed sale | Aug 19, 2026 | — |
| 144 | Notice of proposed sale | Jul 23, 2026 | — |
| 144 | Notice of proposed sale | Jul 22, 2026 | — |
| 144 | Notice of proposed sale | Jul 17, 2026 | — |
| 144 | Notice of proposed sale | Jul 14, 2026 | — |
| 144 | Notice of proposed sale | Jul 13, 2026 | — |
| 144 | Notice of proposed sale | Jul 8, 2026 | — |
| 144 | Notice of proposed sale | Jul 7, 2026 | — |
| 144 | Notice of proposed sale | Jul 6, 2026 | — |
| 144 | Notice of proposed sale | Jul 1, 2026 | — |
| 144 | Notice of proposed sale | Jun 30, 2026 | — |
| 144 | Notice of proposed sale | Jun 29, 2026 | — |
| 144 | Notice of proposed sale | Jun 26, 2026 | — |
| 144 | Notice of proposed sale | Jun 25, 2026 | — |
| 144 | Notice of proposed sale | Jun 24, 2026 | — |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 3 | Initial insider ownership | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 17, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 17, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 17, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 5, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 5, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 5, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 16, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 16, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 16, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 16, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Nov 17, 2025 | Nov 14, 2025 |
| 4 | Insider transaction | Sep 2, 2025 | Sep 1, 2025 |
| 4 | Insider transaction | Sep 2, 2025 | Sep 1, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 3 | Initial insider ownership | Aug 5, 2025 | Aug 1, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jul 22, 2025 | — |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 17, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 17, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 17, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 5, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 5, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 5, 2025 |
| 4 | Insider transaction | Mar 17, 2025 | Mar 12, 2025 |
| 4 | Insider transaction | Mar 17, 2025 | Mar 12, 2025 |
| 4 | Insider transaction | Mar 17, 2025 | Mar 12, 2025 |
| 4 | Insider transaction | Mar 17, 2025 | Mar 12, 2025 |
| 144 | Notice of proposed sale | Mar 14, 2025 | — |
| 4 | Insider transaction | Mar 10, 2025 | Mar 6, 2025 |
| 4 | Insider transaction | Nov 18, 2024 | Nov 14, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 8, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Oct 22, 2024 | — |
| 4 | Insider transaction | Oct 1, 2024 | Oct 1, 2024 |
| 3 | Initial insider ownership | Oct 1, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Sep 24, 2024 | Sep 22, 2024 |
| 4 | Insider transaction | Sep 24, 2024 | Sep 22, 2024 |
| 4 | Insider transaction | Aug 29, 2024 | Aug 27, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 19, 2024 | — |
| 4 | Insider transaction | Jun 20, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 17, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 17, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 17, 2024 |
| 4 | Insider transaction | Apr 9, 2024 | Apr 5, 2024 |
| 4 | Insider transaction | Apr 9, 2024 | Apr 5, 2024 |
| 4 | Insider transaction | Apr 9, 2024 | Apr 5, 2024 |
| 3 | Initial insider ownership | Apr 9, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| 4 | Insider transaction | Nov 16, 2023 | Nov 14, 2023 |
| 3 | Initial insider ownership | Oct 5, 2023 | Sep 27, 2023 |
| 4 | Insider transaction | Sep 8, 2023 | Sep 6, 2023 |
| 144 | Notice of proposed sale | Sep 6, 2023 | — |
| 4 | Insider transaction | Aug 29, 2023 | Aug 27, 2023 |
| 144 | Notice of proposed sale | Aug 25, 2023 | — |
| 4 | Insider transaction | Aug 15, 2023 | Aug 11, 2023 |
| 4 | Insider transaction | Aug 15, 2023 | Aug 11, 2023 |
| 144 | Notice of proposed sale | Aug 15, 2023 | — |
| 4 | Insider transaction | Jun 15, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Apr 7, 2023 | Apr 5, 2023 |
| 4 | Insider transaction | Apr 7, 2023 | Apr 5, 2023 |
| 4 | Insider transaction | Mar 17, 2023 | Mar 15, 2023 |
| 4 | Insider transaction | Mar 17, 2023 | Mar 15, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 26, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 26, 2023 |
| 4 | Insider transaction | Oct 7, 2022 | Oct 5, 2022 |
| 3 | Initial insider ownership | Oct 7, 2022 | Oct 5, 2022 |
| 4 | Insider transaction | Aug 30, 2022 | Aug 27, 2022 |
| 4 | Insider transaction | Aug 15, 2022 | Aug 11, 2022 |
| 4 | Insider transaction | Aug 15, 2022 | Aug 11, 2022 |
| 4 | Insider transaction | Aug 15, 2022 | Aug 11, 2022 |
| 4 | Insider transaction | Aug 15, 2022 | Aug 11, 2022 |
| 4 | Insider transaction | Aug 15, 2022 | Aug 11, 2022 |
| 4 | Insider transaction | Aug 15, 2022 | Aug 11, 2022 |
| 4 | Insider transaction | Mar 17, 2022 | Mar 15, 2022 |
| 4 | Insider transaction | Mar 17, 2022 | Mar 15, 2022 |
| 4 | Insider transaction | Mar 2, 2022 | Feb 26, 2022 |
| 4 | Insider transaction | Mar 2, 2022 | Feb 26, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 3, 2021 | — |
| 4 | Insider transaction | Sep 1, 2021 | Aug 27, 2021 |
| 4 | Insider transaction | Aug 13, 2021 | Aug 11, 2021 |
| 4 | Insider transaction | Aug 13, 2021 | Aug 11, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 28, 2021 | — |
| 4/A | Primary document | Jul 19, 2021 | Jul 1, 2021 |
| 4 | Insider transaction | Jul 6, 2021 | Jul 1, 2021 |
| 4 | Insider transaction | Jul 1, 2021 | Jun 29, 2021 |
| 4 | Insider transaction | Jun 1, 2021 | May 25, 2021 |
| 3 | Initial insider ownership | Jun 1, 2021 | May 25, 2021 |
| 4/A | Primary document | Jun 1, 2021 | May 25, 2021 |
| 4/A | Primary document | Jun 1, 2021 | May 25, 2021 |
| 4 | Insider transaction | May 27, 2021 | May 25, 2021 |
| 4 | Insider transaction | May 27, 2021 | May 25, 2021 |
| 4/A | Primary document | Apr 19, 2021 | Feb 26, 2021 |
| 4 | Insider transaction | Apr 9, 2021 | Apr 7, 2021 |
| 4 | Insider transaction | Apr 9, 2021 | Apr 7, 2021 |
| 4 | Insider transaction | Apr 8, 2021 | Apr 6, 2021 |
| 3 | Initial insider ownership | Mar 15, 2021 | Mar 3, 2021 |
| 4 | Insider transaction | Mar 2, 2021 | Feb 26, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 5, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 1, 2020 | — |
| 4 | Insider transaction | Aug 21, 2020 | Aug 11, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 10, 2020 | — |
| 3 | Initial insider ownership | Jul 8, 2020 | Jul 1, 2020 |
| 4 | Insider transaction | Jul 2, 2020 | Jul 1, 2020 |
| 4 | Insider transaction | Jul 2, 2020 | Jul 1, 2020 |
| 3 | Initial insider ownership | Jun 10, 2020 | Jun 5, 2020 |
| 4 | Insider transaction | Jun 10, 2020 | Jun 8, 2020 |
| 4 | Insider transaction | Jun 10, 2020 | Jun 8, 2020 |
| 4 | Insider transaction | Jun 10, 2020 | Jun 8, 2020 |
| 4 | Insider transaction | Apr 8, 2020 | Apr 6, 2020 |
| 3 | Initial insider ownership | Apr 8, 2020 | Apr 6, 2020 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2020 | — |
| 4 | Insider transaction | Dec 17, 2019 | Dec 15, 2019 |
| 4 | Insider transaction | Jul 2, 2019 | Jul 1, 2019 |
| 4 | Insider transaction | Jul 2, 2019 | Jul 1, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 23, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 23, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 23, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 23, 2019 |
| 4 | Insider transaction | May 28, 2019 | May 23, 2019 |
| 4 | Insider transaction | May 23, 2019 | May 22, 2019 |
| 4 | Insider transaction | Mar 11, 2019 | Mar 7, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2019 | — |
| 4 | Insider transaction | Jan 31, 2019 | Jan 30, 2019 |
| 3 | Initial insider ownership | Jan 31, 2019 | Jan 29, 2019 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 15, 2018 |
| 4 | Insider transaction | Sep 7, 2018 | Sep 5, 2018 |
| 4 | Insider transaction | Sep 7, 2018 | Sep 5, 2018 |
| 4 | Insider transaction | Sep 7, 2018 | Sep 5, 2018 |
| 4 | Insider transaction | Jul 19, 2018 | Jul 17, 2018 |
| 4 | Insider transaction | Jul 19, 2018 | Jul 17, 2018 |
| 4 | Insider transaction | Jul 19, 2018 | Jul 17, 2018 |
| 4 | Insider transaction | Jul 19, 2018 | Jul 17, 2018 |
| 4 | Insider transaction | Jul 19, 2018 | Jul 17, 2018 |
| 4 | Insider transaction | Jul 19, 2018 | Jul 17, 2018 |
| 4 | Insider transaction | Jul 19, 2018 | Jul 17, 2018 |
| 4 | Insider transaction | Jul 19, 2018 | Jul 17, 2018 |
| 3 | Initial insider ownership | Jul 2, 2018 | Jun 22, 2018 |
| 3 | Initial insider ownership | Jul 2, 2018 | Jun 22, 2018 |
| 3 | Initial insider ownership | Jul 2, 2018 | Jun 22, 2018 |
| 3 | Initial insider ownership | Jul 2, 2018 | Jun 22, 2018 |
| 3 | Initial insider ownership | Jul 2, 2018 | Jun 22, 2018 |
| 4 | Insider transaction | Jun 29, 2018 | Jun 27, 2018 |
| 4 | Insider transaction | Jun 29, 2018 | Jun 27, 2018 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 25, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 20, 2018 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Crude Petroleum & Natural Gas (SIC 1311)
- Listed as
- SD (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Oklahoma City, OK
- SEC filer status
- Accelerated filer
- SEC CIK
- 1349436
- Former names
- RIATA ENERGY INC (until Dec 14, 2006)
Other Crude Petroleum & Natural Gas companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.